GLO = Greek Lettered Organization
BGLO = Black Greek Lettered Organization
The first time I saw those acronyms, I was completely confused. I thought GLO was Gay and Lesbian Organization, and BGLO was Bisexual, Gay, and Lesbian Organization. I couldn't figure out why this type of organization would be so often dicsussed in comparisson to other groups. I also couldn't understand why the gay and lesbian orgs discriminated against the bisexuals, so that there was a separate category for groups that included bisexuals as well as gays and lesbians.....
Needless to say, things made much more sense once the acronyms were explained to me.